Open-Source AI · Document AI & OCR

Marker vs Surya

Marker vs Surya compared for 2026 — features, license, ease of use, performance and which one to choose. Convert PDFs to clean Markdown fast vs Modern OCR with layout detection.

Updated regularly · curated by OpenSourceAI.tech

Choose Marker for developers feeding documents into RAG pipelines. Choose Surya for developers who need OCR beyond plain text.

Marker vs Surya at a glance

SpecMarkerSurya
CategoryDocument AI & OCRDocument AI & OCR
TypePDF-to-Markdown converterOCR toolkit
LicenseGPL-3.0GPL-3.0
Runs locallyYesYes
Primary languagePythonPython
Ease of useIntermediateIntermediate
Best fordevelopers feeding documents into RAG pipelinesdevelopers who need OCR beyond plain text
GitHub stars

How Marker and Surya score

🤝 Too close to call — Marker and Surya land within a hair (4.0 vs 4.0 / 5). Pick on fit, not on score.
CriterionMarkerSurya
Popularityn/an/a
Maintenancen/an/a
Ease of use3.53.5
Privacy5.05.0
License freedom3.53.5

Scores are computed automatically from public signals — GitHub stars (popularity), recent commit activity (maintenance), license type (freedom), local-first design (privacy) and onboarding complexity (ease of use). Indicative, not a verdict.

What each one is

Marker

PDF-to-Markdown converter · GPL-3.0

Marker converts PDFs and office documents to clean Markdown, JSON and HTML with high accuracy, handling tables, equations and multi-column layouts.

  • High-accuracy PDF to Markdown, tables included
  • Handles equations and complex layouts
  • Fast batch conversion on GPU or CPU
Visit Marker →

Surya

OCR toolkit · GPL-3.0

Surya is a modern OCR toolkit providing text recognition in 90+ languages plus layout analysis, reading order and table detection.

  • 90+ languages with strong accuracy
  • Layout, reading order and table detection
  • Runs locally on modest GPUs
Visit Surya →

Key differences

Marker is pDF-to-Markdown converter, while Surya is oCR toolkit. In short, Marker fits developers feeding documents into RAG pipelines, and Surya fits developers who need OCR beyond plain text.

Which should you choose?

Choose Marker for developers feeding documents into RAG pipelines. Choose Surya for developers who need OCR beyond plain text.

There is rarely one winner — many setups use both. The right pick depends on your hardware, your team's skills, and whether you value simplicity or control.

Frequently asked questions

Is Marker or Surya easier to use?

Both sit at a similar level (Intermediate). Your choice should come down to fit rather than difficulty.

Are Marker and Surya free?

Marker is free and open source (GPL-3.0), and Surya is free and open source (GPL-3.0). Neither charges for the core software.

Can I run Marker and Surya locally?

Marker: yes · Surya: yes. Both can be used without sending your data to a third-party cloud where their setup allows.

Marker vs Surya — which should I pick in 2026?

Choose Marker for developers feeding documents into RAG pipelines. Choose Surya for developers who need OCR beyond plain text.

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